Home / Projects / Power & Energy / 35MW Waste-to-Energy Plant in Thailand: Incinerator Towers and Leachate-Resistant Steel Framing
35MW Waste-to-Energy Plant in Thailand: Incinerator Towers and Leachate-Resistant Steel Framing
High-strength steel box girders safely carry the dynamic loads of suspended waste-incineration boilers and header drums.
Project Overview
Located in the Eastern Economic Corridor of Thailand, this 35MW waste-to-energy facility processes municipal solid waste to generate base-load electricity. Constructing heavy industrial power structures in a tropical climate requires practical engineering execution. Facility operators face persistent operational challenges: managing the heavy weight of multi-tier incinerator boilers, protecting waste reception halls from acid corrosion caused by municipal leachate and biogas, and ensuring strict erection accuracy to align high-pressure steam flues. Shijie Heavy Industry met these project demands with an integrated structural solution. We manufactured rigid steel towers using deep-flange H-beams and braced frames to support suspended boiler loads and adjacent multi-flue exhaust stacks. Columns and bracings near the municipal waste tipping pit received an industrial epoxy-phenolic coating system to resist organic acid vapors. Using pre-drilled bolted joints, crews erected the towers systematically. Handing over 40 days early allowed boiler teams to begin pressure testing on time.
| Location | Eastern Economic Corridor, Thailand |
| Application | Municipal Waste-to-Energy Plant |
| Steel Supply | 32,000 Tons Structural Steel |
| Structure | Rigid Boiler Towers & Pipe Racks |
| Boiler Load | Suspended High-Tonnage Grid |
| Corrosion | Acid-Resistant Epoxy Phenolic |
| Stack Support | Tri-Flue Exhaust Steel Bracing |
| Assembly | 100% Pre-Drilled Bolted Nodes |
| Tolerance | Sub-Millimeter Flange Alignment |
| Schedule | Handover 40 Days Ahead |
Heavy Suspension Rigidity
High-strength steel box girders safely carry the dynamic loads of suspended waste-incineration boilers and header drums.
Leachate Corrosion Armor
Heavy-duty epoxy phenolic paint on structural bases blocks chemical attack from damp municipal waste leachate and sulfides.
Exhaust Stack Integration
Multi-tier support frames safely stabilize three industrial exhaust flues against tropical typhoon wind vibrations.
Precision Pre-Drilled Erection
Shop-fabricated components with strict bolt-pattern tolerances enabled rapid mechanical assembly without field gouging.
Turning Site Challenges into Engineered Certainty
Proven technical interventions to keep your project on spec, on budget, and on schedule
Decomposing municipal waste creates corrosive leachate and acidic vapors that degrade ground-level steel columns.
Applied a heavy-build epoxy phenolic barrier coating to all steel sections within thirty meters of waste storage.
High-pressure steam piping requires rigid alignment across multiple structural tiers to prevent connection leakage.
Utilized cross-braced moment frames with tight shop tolerances, restricting structural lateral deflection under operational loads.
Managing a municipal waste plant in Thailand requires managing both heavy mechanical weight and chemical corrosion. In our tropical heat, moisture and acidic leachate degrade structural steel quickly if surface treatments are not applied correctly. During engineering reviews, my focus was verifying the protection around our fuel reception hall and the alignment of the high-pressure steam flues. Shijie's fabrication met our standards. The coating on the lower columns in the tipping bay has shown no peeling despite exposure to organic acids. When lifting the boiler support tiers thirty meters up, our local ironworkers didn't struggle with misaligned holes; every bolted connection seated properly without torch cutting. The steel bracing holds the triple exhaust stacks firmly without vibration during load shifts. Delivering 40 days early gave our mechanical teams the window needed to finish refractory lining and pressure checks.
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Why Global Contractors Choose SynJect
Predictable delivery, certified compliance, and direct engineering support for zero-risk execution
Pre-assembled in our factory and 3D-nested for containers to cut ocean freight and site delays
Fabricated strictly to CE EN 1090-1, AISC, and ISO 9001 / 14001 / 45001 with full NDT traceability
Work directly with senior structural engineers from Tekla 3D modeling to on-site erection
Frequently Asked Questions
What was supplied for this Thai waste-to-energy facility?
About 32,000 tons of structural steel for a 35MW municipal waste-to-energy plant in the Eastern Economic Corridor, covering rigid boiler towers, pipe racks, tri-flue stack support framing and the bracing that ties the plant together.
Boilers hang rather than sit on the ground. How does the structure carry them?
High-strength steel box girders form a suspended grid that carries the dynamic loads of the incineration boilers and header drums. Suspended boiler structures see cyclic thermal and pressure cycling, so the girder detailing and connection design account for repeated loading, not just static weight.
Municipal waste produces leachate that eats steel. What protection is used?
A heavy-build epoxy phenolic barrier coating on all steel within about 30 metres of the waste storage area, including columns and base plates. Epoxy phenolic is chosen specifically because it resists the acid and sulphide chemistry that leachate and biogas produce.
High-pressure steam piping cannot tolerate misalignment. How is that achieved?
Cross-braced moment frames built to tight shop tolerances limit structural lateral deflection under operating loads, and all nodes are pre-drilled and bolted so flange alignment is a fabrication outcome rather than a site correction. Steam connections leak when the steel moves, not when the pipe is badly made.
How are the exhaust flues stabilised against tropical storms?
Multi-tier support frames stabilise the three industrial exhaust flues and are designed for typhoon wind vibration, which is the governing case for a tall, slender stack assembly in this region.
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CE EN 1090-1•ISO 9001•ISO 14001•ISO 45001
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